The playground

Try any of 1462 endpoints — live.

Pick an endpoint, load a working example, tweak the params, and send — no signup to try. Results render the way the data deserves; raw JSON, headers & code are one tab away.

Playground demo key · api.reefapi.com
post/change-detect/v1/extract1 credit

Main-content extraction only — boilerplate (nav/header/footer/ads/cookie/comments) stripped → clean text + structured blocks + links. Useful to feed clean diffs or to get just the article. No fingerprint comparison.

Working example
Parameters
request preview
curl -X POST https://api.reefapi.com/change-detect/v1/extract \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"url":"https://example.com"}'

Hit Send to run this endpoint live.